function openpopup(url,win_width,win_height){
winpops=window.open(url,"","width="+win_width+",height="+win_height+",resizable,scrollbars,left=25,top=25")
}

function openExtWin(url) {
var width = 1000; var height = 800
if (screen.width < 1001) {width = screen.width - 80}
else {width = 1000}
if (screen.height < 801) {height = screen.height -50}
else {height = 800}
page = window.open(url,"","width="+width+",height="+height+",resizable,scrollbars=1,left=25,top=25")
}

//usage:
//<a href="javascript:openExtWin('http://www.yahoo.com/')">Yahoo</a>
//<a href="javascript:openpopup('http://www.yahoo.com/',400,300)">Yahoo</a>

function addSpikes(destination){
this.location = destination + "?spikes="+document.form.spikes.value;
}